Home / 369,001.10-553,501.65-303,391.10

Finding the Fourth Proportional to 369,001.10, 553,501.65 and 303,391.10

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Solution

The fourth proportional to 369,001.10, 553,501.65 and 303,391.10 is: 455,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,001.10 : 553,501.65 = 303,391.10 : x
  2. Step 2: Convert to fraction form
    369,001.10/553,501.65 = 303,391.10/x
  3. Step 3: Cross multiply
    369,001.10x = 553,501.65 × 303,391.10
  4. Step 4: Simplify right side
    369,001.10x = 167,927,474,445.32
  5. Step 5: Solve for x
    x = 167,927,474,445.32/369,001.10
  6. Step 6: Final answer
    x = 455,086.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.