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Finding the Fourth Proportional to 452,570.80, 624,478.32 and 261,547.32

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Solution

The fourth proportional to 452,570.80, 624,478.32 and 261,547.32 is: 360,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,570.80 : 624,478.32 = 261,547.32 : x
  2. Step 2: Convert to fraction form
    452,570.80/624,478.32 = 261,547.32/x
  3. Step 3: Cross multiply
    452,570.80x = 624,478.32 × 261,547.32
  4. Step 4: Simplify right side
    452,570.80x = 163,330,630,994.10
  5. Step 5: Solve for x
    x = 163,330,630,994.10/452,570.80
  6. Step 6: Final answer
    x = 360,895.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.