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Finding the Fourth Proportional to 614,290.32, 848,152.89 and 430,918.74

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Solution

The fourth proportional to 614,290.32, 848,152.89 and 430,918.74 is: 594,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,290.32 : 848,152.89 = 430,918.74 : x
  2. Step 2: Convert to fraction form
    614,290.32/848,152.89 = 430,918.74/x
  3. Step 3: Cross multiply
    614,290.32x = 848,152.89 × 430,918.74
  4. Step 4: Simplify right side
    614,290.32x = 365,484,974,686.16
  5. Step 5: Solve for x
    x = 365,484,974,686.16/614,290.32
  6. Step 6: Final answer
    x = 594,971.08

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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.